Event.h

Go to the documentation of this file.

#ifndef EVENT_H_6174D929
#define EVENT_H_6174D929

#include "uscxml/messages/Data.h"
#include "uscxml/util/UUID.h"

#define ERROR_PLATFORM_THROW(msg) \
    uscxml::ErrorEvent e; \
    e.name = "error.platform"; \
    e.data.compound["cause"] = uscxml::Data(msg, uscxml::Data::VERBATIM); \
    e.data.compound["file"] = uscxml::Data(uscxml::toStr(__FILE__), uscxml::Data::VERBATIM); \
    e.data.compound["line"] = uscxml::Data(uscxml::toStr(__LINE__), uscxml::Data::INTERPRETED); \
    throw e; \

#define ERROR_EXECUTION(identifier, cause) \
    uscxml::ErrorEvent identifier; \
    identifier.data.compound["cause"] = uscxml::Data(cause, uscxml::Data::VERBATIM); \
    identifier.data.compound["file"] = uscxml::Data(uscxml::toStr(__FILE__), uscxml::Data::VERBATIM); \
    identifier.data.compound["line"] = uscxml::Data(uscxml::toStr(__LINE__), uscxml::Data::INTERPRETED); \
    identifier.name = "error.execution"; \
    identifier.eventType = uscxml::Event::PLATFORM;

#define ERROR_EXECUTION2(identifier, cause, node) \
    uscxml::ErrorEvent identifier; \
    identifier.data.compound["cause"] = uscxml::Data(cause, uscxml::Data::VERBATIM); \
    identifier.data.compound["file"] = uscxml::Data(uscxml::toStr(__FILE__), uscxml::Data::VERBATIM); \
    identifier.data.compound["line"] = uscxml::Data(uscxml::toStr(__LINE__), uscxml::Data::INTERPRETED); \
    identifier.name = "error.execution"; \
    identifier.data.compound["xpath"] = uscxml::Data(DOMUtils::xPathForNode(node), uscxml::Data::VERBATIM); \
    identifier.eventType = uscxml::Event::PLATFORM;

#define ERROR_COMMUNICATION(identifier, cause) \
    uscxml::ErrorEvent identifier; \
    identifier.data.compound["cause"] = uscxml::Data(cause, uscxml::Data::VERBATIM); \
    identifier.data.compound["file"] = uscxml::Data(uscxml::toStr(__FILE__), uscxml::Data::VERBATIM); \
    identifier.data.compound["line"] = uscxml::Data(uscxml::toStr(__LINE__), uscxml::Data::INTERPRETED); \
    identifier.name = "error.communication"; \
    identifier.eventType = uscxml::Event::PLATFORM;

#define ERROR_COMMUNICATION2(identifier, cause, node) \
    uscxml::ErrorEvent identifier; \
    identifier.data.compound["cause"] = uscxml::Data(cause, uscxml::Data::VERBATIM); \
    identifier.data.compound["file"] = uscxml::Data(uscxml::toStr(__FILE__), uscxml::Data::VERBATIM); \
    identifier.data.compound["line"] = uscxml::Data(uscxml::toStr(__LINE__), uscxml::Data::INTERPRETED); \
    identifier.name = "error.communication"; \
    identifier.data.compound["xpath"] = uscxml::Data(DOMUtils::xPathForNode(node), uscxml::Data::VERBATIM); \
    identifier.eventType = uscxml::Event::PLATFORM;

#define ERROR_EXECUTION_THROW(cause) \
{\
    ERROR_EXECUTION(exc, cause); \
    throw exc;\
}

#define ERROR_EXECUTION_THROW2(cause, node) \
{\
    ERROR_EXECUTION2(exc, cause, node); \
    throw exc;\
}

#define ERROR_COMMUNICATION_THROW(cause) \
{\
    ERROR_COMMUNICATION(exc, cause); \
    throw exc;\
}

#define ERROR_COMMUNICATION_THROW2(cause, node) \
{\
    ERROR_COMMUNICATION(exc, cause, node); \
    throw exc;\
}

namespace uscxml {

class USCXML_API Event {
public:
    enum Type {
        INTERNAL = 1,
        EXTERNAL = 2,
        PLATFORM = 3
    };

    Event() : eventType(INTERNAL), hideSendId(false), uuid(UUID::getUUID()) {}
    explicit Event(const std::string& name, Type type = INTERNAL) : name(name), eventType(type), hideSendId(false) {}
    static Event fromData(const Data& data);

    bool operator< (const Event& other) const     {
        return this < &other;
    }

    bool operator==(const Event& other) const     {
        return (this->name == other.name &&
                this->sendid == other.sendid &&
                this->invokeid == other.invokeid &&
                this->data == other.data);
    }
    bool operator!=(const Event& other) const     {
        return !(*this == other);
    }

    operator bool() {
        return name.size() > 0;
    }

    operator Data();

    operator std::string() {
        std::stringstream ss;
        ss << *this;
        return ss.str();
    }

    typedef std::multimap<std::string, Data> params_t;
    typedef std::map<std::string, Data> namelist_t;

    static bool getParam(const params_t& params, const std::string& name, Data& target) {
        if (params.find(name) != params.end()) {
            target = params.find(name)->second;
            return true;
        }
        return false;
    }

    static bool getParam(const params_t& params, const std::string& name, std::list<Data>& target) {
        if (params.find(name) != params.end()) {
            std::pair<params_t::const_iterator, params_t::const_iterator> rangeIter = params.equal_range(name);
            while(rangeIter.first != rangeIter.second) {
                target.push_back(rangeIter.first->second);
                rangeIter.first++;
            }
            return true;
        }
        return false;
    }

    template <typename T> static bool getParam(const params_t& params, const std::string& name, T& target) {
        if (params.find(name) != params.end()) {
            target = strTo<T>(params.find(name)->second.atom);
            return true;
        }
        return false;
    }

    static bool getParam(const params_t& params, const std::string& name, bool& target) {
        if (params.find(name) != params.end()) {
            target = true;
            if (iequals(params.find(name)->second.atom, "false")) {
                target = false;
            } else if(iequals(params.find(name)->second.atom, "off")) {
                target = false;
            } else if(iequals(params.find(name)->second.atom, "no")) {
                target = false;
            } else if(iequals(params.find(name)->second.atom, "0")) {
                target = false;
            }
            return true;
        }
        return false;
    }

    template <typename T> static bool getParam(const params_t& params, const std::string& name, std::list<T>& target) {
        if (params.find(name) != params.end()) {
            std::pair<params_t::const_iterator, params_t::const_iterator> rangeIter = params.equal_range(name);
            while(rangeIter.first != rangeIter.second) {
                target.push_back(strTo<T>(rangeIter.first->second.atom));
                rangeIter.first++;
            }
            return true;
        }
        return false;
    }

    std::string raw;
    std::string name;
    Type eventType;
    std::string origin;
    std::string origintype;
    std::string sendid;
    bool hideSendId; // sendid is assumed to be undef with some ecma tests
    std::string invokeid;
    Data data;
    std::map<std::string, Data> namelist;
    std::multimap<std::string, Data> params;
    std::string uuid; // the sendid is not necessarily unique!

    friend USCXML_API std::ostream& operator<< (std::ostream& os, const Event& event);
};

USCXML_API std::ostream& operator<< (std::ostream& os, const Event& event);


class USCXML_API ErrorEvent : public Event {
public:
    ErrorEvent() : Event() {}
    ErrorEvent(const std::string& msg) : Event("error.platform") {
        data.compound["msg"] = Data(msg, Data::VERBATIM);
    }
};

}



#endif /* end of include guard: EVENT_H_6174D929 */